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scoundrel [369]
3 years ago
13

3a+4b=5a-t solve for a

Mathematics
2 answers:
forsale [732]3 years ago
8 0
Solution for 3A-4B+5A= equation:

Simplifying
3A + -4B + 5A = 0

Reorder the terms:
3A + 5A + -4B = 0

Combine like terms: 3A + 5A = 8A
8A + -4B = 0

Solving
8A + -4B = 0

Solving for variable 'A'.

Move all terms containing A to the left, all other terms to the right.

Add '4B' to each side of the equation.
8A + -4B + 4B = 0 + 4B

Combine like terms: -4B + 4B = 0
8A + 0 = 0 + 4B
8A = 0 + 4B
Remove the zero:
8A = 4B

Divide each side by '8'.
A = 0.5B

Simplifying
A = 0.5B
7nadin3 [17]3 years ago
5 0

Answer:

2b+t/2=a

Step-by-step explanation:

3a + 4b = 5a-t

-3a           -3a

4b = 2a - t

+t         +t

4b + t = 2a

/2           /2

2b+t/2=a

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Answer:

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4 0
3 years ago
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Samantha asked for a loan from the bank of 4,500 plans to repay it in 4 years Samantha will have to repay it 900 of interest wha
Scrat [10]

Answer:

Correct answer:  r = 5%

Step-by-step explanation:

Given:

L = 4,500  Loan

t = 4 years   time to repay

I = 900 Interest

r = ?  simple interest rate

The formula for calculating simple interest is:

I = (L · r · t) / 100

r = ( I · 100) / L · t

r = (900 · 100) / 4,500 · 4 = 90,000 / 18,000 = 5 %

r = 5 %

God is with you!!!

3 0
3 years ago
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A rectangular yard measuring 36 ft by 55 ft is bordered (and surrounded) by a fence. Inside, a walk that is 4 ft wide goes all t
Y_Kistochka [10]

Answer:

664 ft²

Step-by-step explanation:

The rectangular yard has dimensions 36 ft by 55 ft.

The area of the yard is 36 ft × 55 ft = 1980 ft²

The walkway inside the fence is 4 ft wide. The area inside the walkway has dimensions

36 ft - 2 × 4 ft = 28 ft

55 ft - 2 × 4 ft = 47 ft

The area of the rectangle inside the walkway is 28 ft × 47 ft = 1316 ft²

The area of the walkway is the difference between the total area enclosed by the fence and the rectangle inside the walkway.

area of walkway = 1980 ft² - 1316 ft² = 664 ft²

3 0
2 years ago
11 less than three times a number is the same as 75 less than the product of -1 and the number. Find the value of the number.
mr Goodwill [35]

Answer:

-16

Step-by-step explanation:

We can make an equation which solves for the value of the number, which we will call x.

3x-11=-x-75

4x=-64

x=-16

Hope this helps!

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3 years ago
In the text box below write a brief summary highlighting some of the similarities and differences you noticed about these functi
otez555 [7]
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